MC1103: A travel agent books passages on three different tours, with half of her customers choosing tour T1, one-third choosing tour T2, and the remaining one-sixth choosing tour T3. The agent has noted that 3/4 of those who take T1 return to book passage again, 2/3 of those who take T2 return, and 1/2 of those who take T3 return. If a customer does return, what is the probability that the person first went on tour T2

Offering 30 if a plus b plus c equals 68 and ab plus bc plus ca equals 1121, where a, b, and c are all prime numbers, find the value of abc. the answer is 1978 but i need an explanation on how to get that.

Cor d? ? me ? max recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a) the median of max’s data is 250 b) more than half of the data points max recorded were 177 centimeters. c) a data point chosen at random is as likely to be above the mean as it is to be below the mean. d) every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.

For a function f(x), a) if f(7) = 22 then f^-1(22) = b) f^-1(f(c)) =